Apparatus for weaving ribbons and fabrics.



L. GHOMIER & B. FRESSINETQ APPARATUS FOR WEAVING RIBBONS AND'FABRICS.

APPLICATION FILED JAN. Z7, 1914.

1,1 32,440. Patented Mar. 16, 1915.

2 SHEETS-SHEET 1.

Fig.1.

WlTNzssgs. MENTOR? W Wm, A? KM /%MZ2. W

THE NORRIS PETERS 60.. PHOTc-LITHQ, WASHINGTON. D. C.

GHOMIER 85 B. PRESSINET. I APPARATUS FOR WEAVING RIBBONS AND FABRICS.

APPLICATION FILED JAN. 27, 1914.

Patented Mar. 16, 1915.-

Z SHEETS-BEBE]: Z.

MTNESSES.

THE NORRIS PETERS 60.. PHOTD-LITHO.. WASHINGTON, D. C,

APPARATUS FOR WEAVING RIBBON S AND FABRICS.

Specification of Letters Patent.

Patented Mar. 16, 1915.

Application filed January 27, 1914. Serial N 0. 814,737.

To all whom it may concern.

Be it known that we, LOUIS CHoMInR and BARTHELEMY FRESSINET, both citizens of the French Republic, and residents of St. Etienne, Loire, France, have invented a certain new and useful Improvement in Apparatus for Weaving Ribbons and Fabrics, of which the following is a specificatiom The present invention relates to an 1mproved apparatus for weaving ribbons and fabrics, either straight or curved in any direction, the object being to provide an apparatus which may be mounted on the frame of the loom in front of each reed.

The apparatus consists essentially of a plurality of devices for taking up the fabric and of means whereby the external form of such devices may be varied automatically and caused to assume the form of a cylinder or of a cone, the large base of which may be alternately at either end of the apparatus. By reason of these changes in form the fabric may be taken up with certainty in all cases during the weaving process. Under these conditions, the successive picks of weft will be laid either parallel or more or less obliquely in relation to each other, according to the degree of conicity given to the take up devices; and in this way a fabric will be produced which may be either straight or curved to a greater or smaller extent in any direction.

In the accompanying drawing which illustrates this invention :Figure 1 shows, partly in longitudinal section, a plan view of the apparatus mounted on the frame of the loom, and arranged for weaving curved fabrics. Fig. 2 is a similar view of the apparatus arranged for weaving straight fabrics. Fig. 3 is a vertical cross section through the apparatus on line 1-1 of Fig. 1, and, through the shifting device for enabling the direction of weaving to be varied automatically, on line 22 of Fig. 1. Figs. 4: and 5 are front elevations of the shifting de vice in position for straight weaving and for curved weaving respectively. Fig. 6 represents a modification of the means employed for changing the degree of conicity, and Fig. 7 shows a typical form which may be given to a fabric of any kind by the use of this apparatus.

In the example of construction illustrated in Figs. 1,2 and 3, the apparatus comprises a plurality of pivoted barsi of wood or other material, means being furnished for autobeing provided with recesses adapted to receive the lugs on the fittings j as shown in Fig. 3.

The means for automatically changing the position of the bars, comprises, according to one example of construction, a pair of cone like parts a, operated by a shifting de vice hereafter describedconnected by a rod 6, slidably arranged on the shaft c, said shaft being provided with a feather d which serves as a guide for the cones. One end of this shaft carries a toothed wheel a which is actuated directly from a chain driven by a wheel mounted on the loom shaft. In the accompanying drawing the apparatus is shown with six bars z', but this number may be increased or diminished as desired.

The shaft 0 is supported in bearings formed in the ends of a plate which ends are turned at right angles to the intermediate part of the plate; The plate. is is secured to a plate 70 which is itself secured against the inner face of the frame Z of the loom and thus supports the entire appara tus.

The shifting device for causing the conical parts a to slide on the shaft 0 is mouted at any point on the inner face of the frame of the loom and preferably between two of the apparatus above described the object of said device being to bring all the apparatus mounted on the loom automatically into the position which the bars have to assume during the operation of weaving, according to the direction of the curvatures it is desired to impart to the fabric.

The shifting device comprises a bar or part m furnished with two short arms m arranged at right angles to the bar m, the

bar is pivoted at n in a recess provided in the loom frame. The ends of the arms m are furnished with rollerso and 0, adapted to make contact with members a, u, etc., carried by a card or chain 17. The card ;0 is mounted on an octagonal cylinder the shaft 1' of which carries a sprocket wheel 1" driven by a chain r from the loom shaft. The end of the bar m projects into a slide .9, which extends all along the loom frame. Stops s are secured upon the slide a, such stops being arranged to contact with the outer faces of the cones a as shown in Fig. 1. The arrangement of the parts is such that when the slide is shifted in either direction the external shape or degree of conicity of the parts 2' will be modified accordingly.

The particular arrangement of the contact members a, 2/, etc., on the card 19, as also the height of said members, is determined by the shape it is desired to give to the fabric, the contact members on one side of the card being in some places higher than those on the other. Fig. 7 shows, by way of example, one such shape, in which the lines 2? indicate the changing direction of the weft picks.

The cylinder q rotates in the direction of the arrow, Fig. 8, and the card brings the contact members a, which are of equal height, into contact with the rollers 0, 0 under these conditions the bar m will remain vertical, as indicated in Fig. 4, the parts a, 2', will occupy the position shown in Fig. 2, and the weaving will. continue straight all the time such members are in contact. The card continuing to travel, the members u contacting with the roller 0, are brought into operation and as their thickness increases, Fig. 3, and as the thickness of the contact members contacting with the roller 0 decreases, the bar on is caused to incline toward the left (Fig. In moving, the bar m will carry with it the slide 8, and the stops .9 acting on the cones a, will cause the latter to slide on the shaft 0 and the bars 2' to assume a degree of conicity, Fig. 1, dependent on the difference between the heights of the two sets of contact members on the card, under these conditions curved weaving is carried on, the curvature being in the direction of the slope during the whole time the roller 0 continues to ascend. Thereafter the thickness of the members a beginning to diminish progressively, Fig. 3, the bar m will tilt toward the right, with relation to Fig. 5, being aided in this movement by the roller 0, which having traversed a part of the card unprovided with contact members, will begin to ascend along contact members of progressively increasing thickness. In its movement, the bar m will also cause the slide 8 and thereby the stops 8, to move to the right whereby the angle of conicity of the members i is the reverse of that shown in Fig. 1, that is the large end of the cone will be on the left, under these conditions the weaving will produce a curve in the reverse direction.

From the above it will be evident that the radius and direction of curvature of the fabric can be varied, during the weaving process in accordance with the arrangement and thickness of the contact members and the lateral displacement imparted to the cones in one or the other direction, and that when the displacement of the cones causes the bars to assume a position parallel to the axis of the apparatus, straight weaving is produced.

The displacement of the bars can be efiected by other means than the cones a, for example by means of the rods '0 (Fig. 6), pivoted at one end to the underside of the plates j, and at the other end to a sliding sleeve 00, which sleeve is actuated by a stop 8 in the manner above described. Only one sleeve is required for each apparatus.

In order that the effect desired by this system of weaving may be produced it is preferable that the apparatus should be mounted as close as possible to the last weft pick inserted.

lVhat we claim is 1. In an apparatus for weaving ribbons and fabrics either straight or curved, the combination of a device, arranged about a central axis, having a one part flat fabric holding surface for taking up the fabric, with means whereby such surface may be automatically caused to assume the form of a cylinder or of a single cone, the large base of which may be alternately at either end of the apparatus.

2. In an apparatus for weaving ribbons and fabrics, either straight or curved, the combination of a plurality of devices arranged about a central axis each having a one part flat fabric holding surface for taking up the fabric and means whereby the relative positions of such devices may be varied automatically so that they may assume the form of a cylinder or of a single cone, the large base of which may be alternately at either end of the apparatus.

3. In an apparatus for weaving ribbons and fabrics, either straight or curved, the combination of a plurality of bars arranged about a central axis, pins carried thereby for taking up the fabric, and means whereby the relative position of such bars may be varied automatically so that they may assume the form of a cylinder or of a single cone, the large base of which may be alternately at either end of the apparatus.

4. In an apparatus for weaving ribbons and fabrics, either straight or curved, the combination of a plurality of bars arranged about a central axis, pins carried thereby for taking up the fabric, each bar being pivoted about a central axis, and means for automatically displacing such bars whereby they are caused to assume a position parallel to the axis of rotation or inclined thereto, thereby enabling the fabric to be woven in variable form.

5. In an apparatus for Weaving ribbons and fabrics, either straight or curved, the combination of a plurality of devices arranged about a central axis for taking up the fabric, and means slidably, mounted on the driven shaft for automatically displacing said devices whereby they are caused to assume the form of a cylinder or of a single cone, the large base of which may be alternately at either end of the apparatus.

6. In an apparatus for weaving ribbons and fabrics, either straight or curved, the combination of a plurality of bars arranged about a central axis, pins carried thereby for taking up the fabric, and means slidably mounted on the driven shaft for automatically' displacing said devices whereby they are caused to assume the form of a cylinder or of a single cone, the large base of which may be alternately at either end of the apparatus.

7. In an apparatus for weaving ribbons and fabrics, either straight or curved, the combination of a plurality of bars arranged about a central axis, pins carried thereby for taking up the fabric, each bar being pivoted about a central axis, and means comprising a pair of connected cones slidably mounted on the driven shaft for automatically displacing said bars whereby they are caused to assume the form of a cylinder or of a single cone, the large base of which may be alternately at either end of the apparatus.

8. In an apparatus for weaving ribbons and fabrics, either straight or curved, the combination of a plurality of bars arranged about a central axis, pins carried thereby for taking up the fabric, each bar being pivoted about a central axis, means for displacing said bars comprising a pair of connected cones slidably mounted on the driven shaft, means on the shaft for guiding said cones, and means for efiecting the sliding movement of the cones, whereby the bars are caused to assume the form of a cylinder or of a single cone, the large base of which may be alternately at either end of the apparatus.

9. In an apparatus for weaving ribbons and fabrics, either straight or curved, the

combination of a plurality of devices ar ranged about a central axis for taking up the fabric, means slidably mounted on the driven shaft for automatically displacing said devices, and means for effecting the sliding movement of said slidable means whereby the taking up devices are caused to assume the form of a cylinder or of a single cone, the large base of which may be alternately at either end of the apparatus.

10. In an apparatus for weaving ribbons and fabrics, either straight or curved, comprising a loom frame, the combination of a plurality of bars arranged about a central axis, pins carried thereby for taking up the fabric, means slidably mounted on the driven shaft for displacing said bars, means for effecting the sliding movement of said slidablemeans comprising a stop, a sliding part carrying same, a rocking bar pivoted in a recess in the frame for operating said sliding part, and means for imparting a rocking movement to said rocking bar whereby the bars for taking up the fabric are caused to assumethe form of a cylinder or of a single cone, the large base of which may be alternately at either end of the apparatus.

11. In an apparatus for weaving ribbons andfabrics, either straight or curved, compr1s1ng a loom frame the combination of a plurality of bars arranged about a central axis, pins carried thereby'for taking up the fabric, means slidably mounted on the driven shaft for displacing said bars, means for actuating said slidable means comprising a stop, a part carrying same slidably mounted on the frame, a rocking bar pivoted in a recess in the frame for operating said sliding part, and means for imparting a rocking movement to said rocking bar comprising a traveling part operated by a driven part of the loom, and a plurality of contact members carried thereby whereby the bars for taking up the fabric are caused to assume the form of a cylinder or of a single cone, the large base of which may be alternately at either end of the apparatus.

12. In an apparatus for weaving ribbons and fabrics, either straight or curved, comprising a loom frame, the combination of a plurality of bars arranged about a central axis, pins carried thereby for taking up the fabric, means slidably mounted on the driven shaft for displacing said bars, means for actuating said slidable means comprising a stop, a part carrying same slidably mounted on the frame, a rocking bar pivoted in a recess in the frame for operating said sliding part, and means for imparting a rocking movement to said rocking bar comprising a plurality of contact members of varying depth carried by a chain operated by a driven part of the machine, whereby the bars for taking up the fabric are caused to assume the form of a cylinder or of a single cone, the large base of which may be alternately at either end of the apparatus.

13. In an apparatus for weaving ribbons .and fabrics, either straight or curved, combeing pivoted about a central axis to said ring like part, means slidably mounted on the first shaft for displacing said bars, means for actuating said slidable means comprising a stop, a part carrying same slidably mounted on the frame, a rocking bar pivoted in a recess in the frame for operating said sliding part, rollers carried by said rocking bar, and means for imparting a rocking movement to the rocking bar comprising a plurality of contact members of varying depth carried by a chain operated by a driven part of the loom, whereby the bars for taking up the fabric are caused to assume the form of a cylinder or of a single cone, the largebase of which may be alternately at either end of the apparatus.

In testimony whereof We have hereunto set our hands in the presence of tWo sul scribing Witnesses.

LOUIS OHOMIER. [a s.] V BARTHELEMY FRESSINET. [L- 8.]

WVitnesses to the signature of Louis Chomier:

JOHN FREY, WM. W. BRUNSWICK.

Witnesses to the signature of Barthelemy Fressinet:

F. BnG'rHoLD, J. OHENs'r.

Copies of this patent maybe obtained for five cents each, by addressing the Commissioner of Eatents,

Washington, D. C. 

